They talked happily all day.
Meaning: This means they spoke with each other in a joyful or contented manner for the whole of a 24-hour period.
Choice of Words: Talked is a simple past tense verb that describes the action of speaking with someone. Happily is an adverb that means in a joyful or contented manner. All is an adjective that means the whole of something. Day is a period of 24 hours.
Alternative Expressions
Related Expressions